/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:09:18,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:09:18,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:09:18,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:09:18,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:09:18,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:09:18,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:09:18,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:09:18,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:09:18,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:09:18,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:09:18,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:09:18,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:09:18,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:09:18,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:09:18,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:09:18,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:09:18,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:09:18,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:09:18,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:09:18,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:09:18,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:09:18,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:09:18,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:09:18,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:09:18,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:09:18,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:09:18,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:09:18,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:09:18,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:09:18,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:09:18,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:09:18,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:09:18,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:09:18,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:09:18,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:09:18,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:09:18,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:09:18,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:09:18,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:09:18,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:09:18,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 01:09:18,983 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:09:18,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:09:18,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:09:18,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:09:18,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:09:18,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:09:18,985 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:09:18,985 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:09:18,985 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:09:18,985 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:09:18,986 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:09:18,986 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:09:18,986 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:09:18,986 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:09:18,986 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:09:18,987 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:09:18,987 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:09:18,987 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:09:18,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:09:18,988 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:09:18,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:09:18,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:09:18,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:09:18,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:09:18,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:09:18,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:09:18,989 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:09:18,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:09:18,989 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:09:18,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:09:18,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:09:18,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:09:18,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:09:18,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:09:18,990 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:09:18,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:09:18,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:09:18,990 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:09:18,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:09:18,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:09:18,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:09:18,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:09:19,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:09:19,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:09:19,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:09:19,283 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:09:19,283 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:09:19,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2023-04-03 01:09:20,516 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:09:20,796 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:09:20,797 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2023-04-03 01:09:20,808 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66781046a/534a989a610543a7bd90d7f2ad643e86/FLAG79e2ae1f1 [2023-04-03 01:09:20,822 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66781046a/534a989a610543a7bd90d7f2ad643e86 [2023-04-03 01:09:20,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:09:20,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:09:20,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:09:20,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:09:20,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:09:20,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:09:20" (1/1) ... [2023-04-03 01:09:20,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b5c334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:20, skipping insertion in model container [2023-04-03 01:09:20,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:09:20" (1/1) ... [2023-04-03 01:09:20,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:09:20,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:09:21,085 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2023-04-03 01:09:21,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:09:21,108 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:09:21,164 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2023-04-03 01:09:21,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:09:21,183 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:09:21,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21 WrapperNode [2023-04-03 01:09:21,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:09:21,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:09:21,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:09:21,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:09:21,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,238 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:09:21,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:09:21,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:09:21,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:09:21,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (1/1) ... [2023-04-03 01:09:21,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:09:21,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:21,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 01:09:21,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 01:09:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:09:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:09:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:09:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:09:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:09:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:09:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:09:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:09:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:09:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:09:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:09:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:09:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:09:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:09:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:09:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:09:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:09:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:09:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 01:09:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:09:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:09:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:09:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:09:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:09:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:09:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:09:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:09:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:09:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:09:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:09:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:09:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:09:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:09:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:09:21,532 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:09:21,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:09:22,222 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:09:22,329 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:09:22,329 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:09:22,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:09:22 BoogieIcfgContainer [2023-04-03 01:09:22,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:09:22,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:09:22,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:09:22,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:09:22,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:09:20" (1/3) ... [2023-04-03 01:09:22,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5b1d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:09:22, skipping insertion in model container [2023-04-03 01:09:22,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:09:21" (2/3) ... [2023-04-03 01:09:22,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5b1d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:09:22, skipping insertion in model container [2023-04-03 01:09:22,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:09:22" (3/3) ... [2023-04-03 01:09:22,343 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2023-04-03 01:09:22,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:09:22,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:09:22,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:09:22,422 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d48ca4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:09:22,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:09:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 84 states have internal predecessors, (89), 49 states have call successors, (49), 32 states have call predecessors, (49), 32 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2023-04-03 01:09:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:09:22,440 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:22,445 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:22,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:22,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:22,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1395689575, now seen corresponding path program 1 times [2023-04-03 01:09:22,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:22,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72426874] [2023-04-03 01:09:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:22,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:22,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:22,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72426874] [2023-04-03 01:09:22,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72426874] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:22,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:22,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:09:22,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009071691] [2023-04-03 01:09:22,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:22,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:09:22,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:22,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:09:22,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:09:22,772 INFO L87 Difference]: Start difference. First operand has 154 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 84 states have internal predecessors, (89), 49 states have call successors, (49), 32 states have call predecessors, (49), 32 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:22,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:22,838 INFO L93 Difference]: Finished difference Result 238 states and 285 transitions. [2023-04-03 01:09:22,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:09:22,840 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-03 01:09:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:22,851 INFO L225 Difference]: With dead ends: 238 [2023-04-03 01:09:22,851 INFO L226 Difference]: Without dead ends: 121 [2023-04-03 01:09:22,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:09:22,861 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:22,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:09:22,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-04-03 01:09:22,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-04-03 01:09:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 72 states have internal predecessors, (75), 34 states have call successors, (34), 30 states have call predecessors, (34), 25 states have return successors, (29), 26 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-03 01:09:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2023-04-03 01:09:22,916 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 52 [2023-04-03 01:09:22,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:22,917 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2023-04-03 01:09:22,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2023-04-03 01:09:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:09:22,920 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:22,920 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:22,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:09:22,920 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:22,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:22,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1801272013, now seen corresponding path program 1 times [2023-04-03 01:09:22,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:22,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727854772] [2023-04-03 01:09:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:22,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:23,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:23,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727854772] [2023-04-03 01:09:23,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727854772] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:23,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:23,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:09:23,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280147509] [2023-04-03 01:09:23,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:23,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:09:23,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:23,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:09:23,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:09:23,022 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:23,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:23,073 INFO L93 Difference]: Finished difference Result 184 states and 209 transitions. [2023-04-03 01:09:23,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:09:23,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-03 01:09:23,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:23,075 INFO L225 Difference]: With dead ends: 184 [2023-04-03 01:09:23,075 INFO L226 Difference]: Without dead ends: 113 [2023-04-03 01:09:23,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:09:23,077 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:23,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 201 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:09:23,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-04-03 01:09:23,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-04-03 01:09:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 67 states have internal predecessors, (69), 31 states have call successors, (31), 29 states have call predecessors, (31), 25 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-03 01:09:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2023-04-03 01:09:23,095 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 53 [2023-04-03 01:09:23,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:23,095 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2023-04-03 01:09:23,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-03 01:09:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2023-04-03 01:09:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-03 01:09:23,099 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:23,099 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:23,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:09:23,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:23,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:23,100 INFO L85 PathProgramCache]: Analyzing trace with hash 578921411, now seen corresponding path program 1 times [2023-04-03 01:09:23,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:23,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149044713] [2023-04-03 01:09:23,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:23,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:23,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:23,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149044713] [2023-04-03 01:09:23,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149044713] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:23,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:23,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:09:23,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629639445] [2023-04-03 01:09:23,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:23,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:09:23,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:23,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:09:23,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:09:23,333 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:09:23,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:23,704 INFO L93 Difference]: Finished difference Result 339 states and 398 transitions. [2023-04-03 01:09:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:09:23,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 57 [2023-04-03 01:09:23,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:23,714 INFO L225 Difference]: With dead ends: 339 [2023-04-03 01:09:23,714 INFO L226 Difference]: Without dead ends: 251 [2023-04-03 01:09:23,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 01:09:23,723 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 200 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:23,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 520 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:09:23,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-04-03 01:09:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 229. [2023-04-03 01:09:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 121 states have (on average 1.2644628099173554) internal successors, (153), 140 states have internal predecessors, (153), 58 states have call successors, (58), 53 states have call predecessors, (58), 49 states have return successors, (55), 50 states have call predecessors, (55), 54 states have call successors, (55) [2023-04-03 01:09:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 266 transitions. [2023-04-03 01:09:23,777 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 266 transitions. Word has length 57 [2023-04-03 01:09:23,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:23,781 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 266 transitions. [2023-04-03 01:09:23,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-03 01:09:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 266 transitions. [2023-04-03 01:09:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-03 01:09:23,786 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:23,786 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:23,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:09:23,787 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:23,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:23,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1067965089, now seen corresponding path program 1 times [2023-04-03 01:09:23,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:23,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759985067] [2023-04-03 01:09:23,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:23,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-03 01:09:24,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:24,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759985067] [2023-04-03 01:09:24,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759985067] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:24,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:24,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:09:24,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350705317] [2023-04-03 01:09:24,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:24,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:09:24,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:24,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:09:24,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:09:24,021 INFO L87 Difference]: Start difference. First operand 229 states and 266 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:09:24,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:24,457 INFO L93 Difference]: Finished difference Result 583 states and 731 transitions. [2023-04-03 01:09:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:09:24,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2023-04-03 01:09:24,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:24,463 INFO L225 Difference]: With dead ends: 583 [2023-04-03 01:09:24,463 INFO L226 Difference]: Without dead ends: 379 [2023-04-03 01:09:24,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:09:24,473 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 143 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:24,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 252 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:09:24,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-04-03 01:09:24,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 334. [2023-04-03 01:09:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 180 states have (on average 1.2166666666666666) internal successors, (219), 199 states have internal predecessors, (219), 79 states have call successors, (79), 72 states have call predecessors, (79), 74 states have return successors, (92), 76 states have call predecessors, (92), 75 states have call successors, (92) [2023-04-03 01:09:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 390 transitions. [2023-04-03 01:09:24,516 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 390 transitions. Word has length 61 [2023-04-03 01:09:24,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:24,517 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 390 transitions. [2023-04-03 01:09:24,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-03 01:09:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 390 transitions. [2023-04-03 01:09:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-04-03 01:09:24,525 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:24,526 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:24,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:09:24,526 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:24,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:24,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1712402794, now seen corresponding path program 1 times [2023-04-03 01:09:24,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:24,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330213564] [2023-04-03 01:09:24,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:24,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:24,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:24,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330213564] [2023-04-03 01:09:24,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330213564] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:24,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:24,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:09:24,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199060561] [2023-04-03 01:09:24,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:24,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:09:24,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:24,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:09:24,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:09:24,935 INFO L87 Difference]: Start difference. First operand 334 states and 390 transitions. Second operand has 12 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:09:25,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:25,354 INFO L93 Difference]: Finished difference Result 1027 states and 1239 transitions. [2023-04-03 01:09:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:09:25,355 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) Word has length 87 [2023-04-03 01:09:25,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:25,362 INFO L225 Difference]: With dead ends: 1027 [2023-04-03 01:09:25,362 INFO L226 Difference]: Without dead ends: 718 [2023-04-03 01:09:25,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:09:25,364 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 212 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:25,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 698 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:09:25,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2023-04-03 01:09:25,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 540. [2023-04-03 01:09:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 303 states have (on average 1.2277227722772277) internal successors, (372), 330 states have internal predecessors, (372), 123 states have call successors, (123), 113 states have call predecessors, (123), 113 states have return successors, (141), 118 states have call predecessors, (141), 119 states have call successors, (141) [2023-04-03 01:09:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 636 transitions. [2023-04-03 01:09:25,439 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 636 transitions. Word has length 87 [2023-04-03 01:09:25,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:25,440 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 636 transitions. [2023-04-03 01:09:25,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 7 states have call predecessors, (17), 4 states have call successors, (17) [2023-04-03 01:09:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 636 transitions. [2023-04-03 01:09:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-04-03 01:09:25,443 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:25,444 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:25,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:09:25,444 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:25,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:25,444 INFO L85 PathProgramCache]: Analyzing trace with hash 232011679, now seen corresponding path program 1 times [2023-04-03 01:09:25,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:25,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708673605] [2023-04-03 01:09:25,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:25,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-03 01:09:25,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:25,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708673605] [2023-04-03 01:09:25,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708673605] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:25,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:25,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:09:25,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704459229] [2023-04-03 01:09:25,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:25,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:09:25,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:25,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:09:25,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:09:25,783 INFO L87 Difference]: Start difference. First operand 540 states and 636 transitions. Second operand has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-03 01:09:26,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:26,419 INFO L93 Difference]: Finished difference Result 1638 states and 1994 transitions. [2023-04-03 01:09:26,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-03 01:09:26,420 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 90 [2023-04-03 01:09:26,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:26,429 INFO L225 Difference]: With dead ends: 1638 [2023-04-03 01:09:26,429 INFO L226 Difference]: Without dead ends: 1266 [2023-04-03 01:09:26,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-04-03 01:09:26,432 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 252 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:26,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 589 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 01:09:26,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2023-04-03 01:09:26,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1177. [2023-04-03 01:09:26,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 657 states have (on average 1.2283105022831051) internal successors, (807), 716 states have internal predecessors, (807), 264 states have call successors, (264), 239 states have call predecessors, (264), 255 states have return successors, (336), 267 states have call predecessors, (336), 260 states have call successors, (336) [2023-04-03 01:09:26,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1407 transitions. [2023-04-03 01:09:26,542 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1407 transitions. Word has length 90 [2023-04-03 01:09:26,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:26,542 INFO L495 AbstractCegarLoop]: Abstraction has 1177 states and 1407 transitions. [2023-04-03 01:09:26,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-03 01:09:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1407 transitions. [2023-04-03 01:09:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 01:09:26,550 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:26,551 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:26,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:09:26,551 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:26,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:26,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1435688920, now seen corresponding path program 1 times [2023-04-03 01:09:26,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:26,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440056663] [2023-04-03 01:09:26,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:26,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-03 01:09:26,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:26,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440056663] [2023-04-03 01:09:26,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440056663] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:09:26,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796283129] [2023-04-03 01:09:26,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:26,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:26,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:26,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:09:26,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 01:09:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:26,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:09:26,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:09:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:09:27,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:09:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-03 01:09:27,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796283129] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:09:27,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [228654596] [2023-04-03 01:09:27,583 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2023-04-03 01:09:27,584 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:09:27,587 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:09:27,592 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:09:27,592 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:09:27,809 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:09:27,854 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:09:28,079 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:09:28,160 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:09:31,568 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 52 for LOIs [2023-04-03 01:09:31,577 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2023-04-03 01:09:32,000 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:09:32,005 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 54 for LOIs [2023-04-03 01:09:32,378 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:09:32,464 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:09:32,469 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:09:32,519 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 34 for LOIs [2023-04-03 01:09:32,544 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 34 for LOIs [2023-04-03 01:09:32,548 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:09:32,551 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 47 for LOIs [2023-04-03 01:09:32,554 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:09:32,556 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:09:32,558 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:09:32,795 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:09:32,800 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:09:32,803 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 23 for LOIs [2023-04-03 01:09:32,837 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-03 01:09:32,840 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:09:32,843 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:09:32,848 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:09:32,850 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:09:38,062 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10351#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:09:38,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:09:38,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:09:38,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-03 01:09:38,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765758612] [2023-04-03 01:09:38,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:09:38,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-03 01:09:38,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:38,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-03 01:09:38,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=557, Invalid=5763, Unknown=0, NotChecked=0, Total=6320 [2023-04-03 01:09:38,068 INFO L87 Difference]: Start difference. First operand 1177 states and 1407 transitions. Second operand has 19 states, 12 states have (on average 8.916666666666666) internal successors, (107), 15 states have internal predecessors, (107), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) [2023-04-03 01:09:39,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:39,342 INFO L93 Difference]: Finished difference Result 2550 states and 3173 transitions. [2023-04-03 01:09:39,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-04-03 01:09:39,343 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 8.916666666666666) internal successors, (107), 15 states have internal predecessors, (107), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) Word has length 129 [2023-04-03 01:09:39,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:39,351 INFO L225 Difference]: With dead ends: 2550 [2023-04-03 01:09:39,351 INFO L226 Difference]: Without dead ends: 1541 [2023-04-03 01:09:39,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 311 SyntacticMatches, 14 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4589 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=814, Invalid=9898, Unknown=0, NotChecked=0, Total=10712 [2023-04-03 01:09:39,359 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 346 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:39,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1607 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 01:09:39,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2023-04-03 01:09:39,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1310. [2023-04-03 01:09:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 730 states have (on average 1.2178082191780821) internal successors, (889), 809 states have internal predecessors, (889), 300 states have call successors, (300), 283 states have call predecessors, (300), 279 states have return successors, (338), 273 states have call predecessors, (338), 296 states have call successors, (338) [2023-04-03 01:09:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1527 transitions. [2023-04-03 01:09:39,484 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1527 transitions. Word has length 129 [2023-04-03 01:09:39,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:39,484 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 1527 transitions. [2023-04-03 01:09:39,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 8.916666666666666) internal successors, (107), 15 states have internal predecessors, (107), 7 states have call successors, (48), 6 states have call predecessors, (48), 11 states have return successors, (47), 10 states have call predecessors, (47), 6 states have call successors, (47) [2023-04-03 01:09:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1527 transitions. [2023-04-03 01:09:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-03 01:09:39,489 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:39,489 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:39,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 01:09:39,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:39,697 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:39,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:39,698 INFO L85 PathProgramCache]: Analyzing trace with hash -453074813, now seen corresponding path program 1 times [2023-04-03 01:09:39,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:39,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093585921] [2023-04-03 01:09:39,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:39,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-03 01:09:39,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:39,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093585921] [2023-04-03 01:09:39,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093585921] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:09:39,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:09:39,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:09:39,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875361844] [2023-04-03 01:09:39,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:09:39,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:09:39,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:39,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:09:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:09:39,764 INFO L87 Difference]: Start difference. First operand 1310 states and 1527 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 01:09:39,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:39,846 INFO L93 Difference]: Finished difference Result 2071 states and 2422 transitions. [2023-04-03 01:09:39,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:09:39,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 194 [2023-04-03 01:09:39,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:39,851 INFO L225 Difference]: With dead ends: 2071 [2023-04-03 01:09:39,851 INFO L226 Difference]: Without dead ends: 814 [2023-04-03 01:09:39,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:09:39,857 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 43 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:39,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 241 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:09:39,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2023-04-03 01:09:39,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 794. [2023-04-03 01:09:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 435 states have (on average 1.2045977011494253) internal successors, (524), 489 states have internal predecessors, (524), 188 states have call successors, (188), 178 states have call predecessors, (188), 170 states have return successors, (197), 166 states have call predecessors, (197), 184 states have call successors, (197) [2023-04-03 01:09:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 909 transitions. [2023-04-03 01:09:39,916 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 909 transitions. Word has length 194 [2023-04-03 01:09:39,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:39,918 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 909 transitions. [2023-04-03 01:09:39,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-04-03 01:09:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 909 transitions. [2023-04-03 01:09:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-03 01:09:39,922 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:39,922 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:39,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 01:09:39,922 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:39,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:39,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1586344770, now seen corresponding path program 1 times [2023-04-03 01:09:39,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:39,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112906359] [2023-04-03 01:09:39,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:39,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 73 proven. 13 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-04-03 01:09:40,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:40,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112906359] [2023-04-03 01:09:40,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112906359] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:09:40,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498357450] [2023-04-03 01:09:40,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:40,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:40,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:40,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:09:40,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 01:09:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:40,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 27 conjunts are in the unsatisfiable core [2023-04-03 01:09:40,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:09:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 133 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-04-03 01:09:40,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:09:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-04-03 01:09:40,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498357450] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:09:40,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1261809233] [2023-04-03 01:09:40,928 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-04-03 01:09:40,928 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:09:40,930 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:09:40,930 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:09:40,930 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:09:41,033 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:09:41,057 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:09:41,189 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:09:41,227 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:09:48,304 INFO L197 IcfgInterpreter]: Interpreting procedure stopSystem with input of size 36 for LOIs [2023-04-03 01:09:48,348 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 36 for LOIs [2023-04-03 01:09:48,350 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 61 for LOIs [2023-04-03 01:09:48,357 INFO L197 IcfgInterpreter]: Interpreting procedure startSystem with input of size 33 for LOIs [2023-04-03 01:09:48,359 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-03 01:09:48,850 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 60 for LOIs [2023-04-03 01:09:48,856 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 64 for LOIs [2023-04-03 01:09:49,207 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 27 for LOIs [2023-04-03 01:09:49,262 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 27 for LOIs [2023-04-03 01:09:49,266 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 37 for LOIs [2023-04-03 01:09:49,310 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 35 for LOIs [2023-04-03 01:09:49,338 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 35 for LOIs [2023-04-03 01:09:49,342 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 27 for LOIs [2023-04-03 01:09:49,344 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 59 for LOIs [2023-04-03 01:09:49,348 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:09:49,349 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:09:49,351 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 37 for LOIs [2023-04-03 01:09:49,486 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 45 for LOIs [2023-04-03 01:09:49,488 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 37 for LOIs [2023-04-03 01:09:49,490 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 30 for LOIs [2023-04-03 01:09:49,534 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 21 for LOIs [2023-04-03 01:09:49,536 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:09:49,537 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:09:49,539 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:09:49,540 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:09:56,606 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '21374#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:09:56,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:09:56,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:09:56,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 15 [2023-04-03 01:09:56,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343901139] [2023-04-03 01:09:56,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:09:56,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-03 01:09:56,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:09:56,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-03 01:09:56,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=592, Invalid=7240, Unknown=0, NotChecked=0, Total=7832 [2023-04-03 01:09:56,611 INFO L87 Difference]: Start difference. First operand 794 states and 909 transitions. Second operand has 15 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (54), 5 states have call predecessors, (54), 9 states have return successors, (53), 8 states have call predecessors, (53), 5 states have call successors, (53) [2023-04-03 01:09:57,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:09:57,565 INFO L93 Difference]: Finished difference Result 2299 states and 2787 transitions. [2023-04-03 01:09:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-03 01:09:57,566 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (54), 5 states have call predecessors, (54), 9 states have return successors, (53), 8 states have call predecessors, (53), 5 states have call successors, (53) Word has length 224 [2023-04-03 01:09:57,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:09:57,575 INFO L225 Difference]: With dead ends: 2299 [2023-04-03 01:09:57,575 INFO L226 Difference]: Without dead ends: 1558 [2023-04-03 01:09:57,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 588 SyntacticMatches, 10 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4479 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=664, Invalid=8648, Unknown=0, NotChecked=0, Total=9312 [2023-04-03 01:09:57,582 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 118 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-03 01:09:57,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 444 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-03 01:09:57,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2023-04-03 01:09:57,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1177. [2023-04-03 01:09:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 651 states have (on average 1.1920122887864824) internal successors, (776), 730 states have internal predecessors, (776), 267 states have call successors, (267), 257 states have call predecessors, (267), 258 states have return successors, (313), 247 states have call predecessors, (313), 263 states have call successors, (313) [2023-04-03 01:09:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1356 transitions. [2023-04-03 01:09:57,681 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1356 transitions. Word has length 224 [2023-04-03 01:09:57,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:09:57,684 INFO L495 AbstractCegarLoop]: Abstraction has 1177 states and 1356 transitions. [2023-04-03 01:09:57,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 5 states have call successors, (54), 5 states have call predecessors, (54), 9 states have return successors, (53), 8 states have call predecessors, (53), 5 states have call successors, (53) [2023-04-03 01:09:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1356 transitions. [2023-04-03 01:09:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-03 01:09:57,688 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:09:57,689 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:09:57,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 01:09:57,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-04-03 01:09:57,897 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:09:57,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:09:57,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1261691892, now seen corresponding path program 1 times [2023-04-03 01:09:57,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:09:57,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722453017] [2023-04-03 01:09:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:57,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:09:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 85 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-04-03 01:09:58,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:09:58,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722453017] [2023-04-03 01:09:58,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722453017] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:09:58,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765968284] [2023-04-03 01:09:58,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:09:58,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:09:58,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:09:58,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:09:58,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 01:09:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:09:58,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 10 conjunts are in the unsatisfiable core [2023-04-03 01:09:58,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:09:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 176 proven. 13 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-04-03 01:09:58,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:09:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 85 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-04-03 01:09:59,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765968284] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:09:59,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [283087255] [2023-04-03 01:09:59,006 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-04-03 01:09:59,006 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:09:59,006 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:09:59,006 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:09:59,007 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:09:59,104 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:09:59,129 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:09:59,218 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:09:59,248 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:06,105 INFO L197 IcfgInterpreter]: Interpreting procedure stopSystem with input of size 36 for LOIs [2023-04-03 01:10:06,147 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 36 for LOIs [2023-04-03 01:10:06,150 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 61 for LOIs [2023-04-03 01:10:06,156 INFO L197 IcfgInterpreter]: Interpreting procedure startSystem with input of size 33 for LOIs [2023-04-03 01:10:06,159 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-03 01:10:06,656 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 60 for LOIs [2023-04-03 01:10:06,662 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 64 for LOIs [2023-04-03 01:10:06,952 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 27 for LOIs [2023-04-03 01:10:07,010 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 27 for LOIs [2023-04-03 01:10:07,014 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 37 for LOIs [2023-04-03 01:10:07,048 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 35 for LOIs [2023-04-03 01:10:07,064 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 35 for LOIs [2023-04-03 01:10:07,067 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 27 for LOIs [2023-04-03 01:10:07,069 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 59 for LOIs [2023-04-03 01:10:07,072 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:07,073 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:07,074 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 37 for LOIs [2023-04-03 01:10:07,204 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 45 for LOIs [2023-04-03 01:10:07,207 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 37 for LOIs [2023-04-03 01:10:07,209 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 30 for LOIs [2023-04-03 01:10:07,246 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 21 for LOIs [2023-04-03 01:10:07,247 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:07,249 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:07,251 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:07,252 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:15,355 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '27838#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:15,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:15,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:15,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2023-04-03 01:10:15,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651230226] [2023-04-03 01:10:15,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:15,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-04-03 01:10:15,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:15,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-04-03 01:10:15,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=845, Invalid=8857, Unknown=0, NotChecked=0, Total=9702 [2023-04-03 01:10:15,362 INFO L87 Difference]: Start difference. First operand 1177 states and 1356 transitions. Second operand has 25 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 8 states have call successors, (70), 6 states have call predecessors, (70), 16 states have return successors, (76), 15 states have call predecessors, (76), 8 states have call successors, (76) [2023-04-03 01:10:16,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:16,467 INFO L93 Difference]: Finished difference Result 2081 states and 2402 transitions. [2023-04-03 01:10:16,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:10:16,468 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 8 states have call successors, (70), 6 states have call predecessors, (70), 16 states have return successors, (76), 15 states have call predecessors, (76), 8 states have call successors, (76) Word has length 234 [2023-04-03 01:10:16,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:16,474 INFO L225 Difference]: With dead ends: 2081 [2023-04-03 01:10:16,474 INFO L226 Difference]: Without dead ends: 1135 [2023-04-03 01:10:16,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 613 SyntacticMatches, 11 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5758 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=1017, Invalid=11193, Unknown=0, NotChecked=0, Total=12210 [2023-04-03 01:10:16,480 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 512 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:16,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 646 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-03 01:10:16,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2023-04-03 01:10:16,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1115. [2023-04-03 01:10:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 621 states have (on average 1.181964573268921) internal successors, (734), 690 states have internal predecessors, (734), 249 states have call successors, (249), 241 states have call predecessors, (249), 244 states have return successors, (287), 235 states have call predecessors, (287), 245 states have call successors, (287) [2023-04-03 01:10:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1270 transitions. [2023-04-03 01:10:16,566 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1270 transitions. Word has length 234 [2023-04-03 01:10:16,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:16,566 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1270 transitions. [2023-04-03 01:10:16,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 8 states have call successors, (70), 6 states have call predecessors, (70), 16 states have return successors, (76), 15 states have call predecessors, (76), 8 states have call successors, (76) [2023-04-03 01:10:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1270 transitions. [2023-04-03 01:10:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-03 01:10:16,571 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:16,571 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:16,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:10:16,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:16,779 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:16,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:16,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1258801509, now seen corresponding path program 1 times [2023-04-03 01:10:16,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:16,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801241199] [2023-04-03 01:10:16,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:16,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 73 proven. 47 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-04-03 01:10:17,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:17,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801241199] [2023-04-03 01:10:17,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801241199] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:17,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839477415] [2023-04-03 01:10:17,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:17,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:17,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:17,742 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 01:10:17,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 01:10:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:17,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 42 conjunts are in the unsatisfiable core [2023-04-03 01:10:17,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 131 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-04-03 01:10:18,273 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 88 proven. 29 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-04-03 01:10:19,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839477415] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:19,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1937896292] [2023-04-03 01:10:19,699 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-04-03 01:10:19,700 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:19,700 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:19,700 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:19,701 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:19,804 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:19,830 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:19,938 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:19,976 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:26,781 INFO L197 IcfgInterpreter]: Interpreting procedure stopSystem with input of size 36 for LOIs [2023-04-03 01:10:26,843 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 36 for LOIs [2023-04-03 01:10:26,846 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 61 for LOIs [2023-04-03 01:10:26,854 INFO L197 IcfgInterpreter]: Interpreting procedure startSystem with input of size 33 for LOIs [2023-04-03 01:10:26,857 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-03 01:10:27,372 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 60 for LOIs [2023-04-03 01:10:27,378 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 64 for LOIs [2023-04-03 01:10:27,650 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 27 for LOIs [2023-04-03 01:10:27,703 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 27 for LOIs [2023-04-03 01:10:27,707 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 37 for LOIs [2023-04-03 01:10:27,742 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 35 for LOIs [2023-04-03 01:10:27,762 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 35 for LOIs [2023-04-03 01:10:27,765 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 27 for LOIs [2023-04-03 01:10:27,767 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 59 for LOIs [2023-04-03 01:10:27,770 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:27,771 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:27,773 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 37 for LOIs [2023-04-03 01:10:27,944 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 45 for LOIs [2023-04-03 01:10:27,948 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 37 for LOIs [2023-04-03 01:10:27,950 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 30 for LOIs [2023-04-03 01:10:27,997 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 21 for LOIs [2023-04-03 01:10:27,998 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:28,000 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:28,002 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:28,003 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:36,798 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '33914#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-03 01:10:36,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:36,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:36,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 38 [2023-04-03 01:10:36,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143699532] [2023-04-03 01:10:36,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:36,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-04-03 01:10:36,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:36,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-04-03 01:10:36,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=847, Invalid=11363, Unknown=0, NotChecked=0, Total=12210 [2023-04-03 01:10:36,808 INFO L87 Difference]: Start difference. First operand 1115 states and 1270 transitions. Second operand has 38 states, 30 states have (on average 5.633333333333334) internal successors, (169), 30 states have internal predecessors, (169), 16 states have call successors, (72), 10 states have call predecessors, (72), 22 states have return successors, (76), 25 states have call predecessors, (76), 16 states have call successors, (76) [2023-04-03 01:10:39,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:39,730 INFO L93 Difference]: Finished difference Result 2385 states and 2821 transitions. [2023-04-03 01:10:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-04-03 01:10:39,731 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 30 states have (on average 5.633333333333334) internal successors, (169), 30 states have internal predecessors, (169), 16 states have call successors, (72), 10 states have call predecessors, (72), 22 states have return successors, (76), 25 states have call predecessors, (76), 16 states have call successors, (76) Word has length 235 [2023-04-03 01:10:39,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:39,732 INFO L225 Difference]: With dead ends: 2385 [2023-04-03 01:10:39,732 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:10:39,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 626 SyntacticMatches, 21 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13447 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=2357, Invalid=28093, Unknown=0, NotChecked=0, Total=30450 [2023-04-03 01:10:39,742 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 1053 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 4514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 970 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:39,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 984 Invalid, 4514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [970 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 01:10:39,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:10:39,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:10:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 01:10:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:10:39,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2023-04-03 01:10:39,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:39,744 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:10:39,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 30 states have (on average 5.633333333333334) internal successors, (169), 30 states have internal predecessors, (169), 16 states have call successors, (72), 10 states have call predecessors, (72), 22 states have return successors, (76), 25 states have call predecessors, (76), 16 states have call successors, (76) [2023-04-03 01:10:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:10:39,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:10:39,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:10:39,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 01:10:39,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:39,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:10:46,348 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:10:46,348 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point L250(lines 227 251) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 238) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 203 258) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 203 258) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point L228-2(lines 228 249) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point L285-2(lines 285 310) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point L311(lines 284 312) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 259 318) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point L304(line 304) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 259 318) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 259 318) no Hoare annotation was computed. [2023-04-03 01:10:46,349 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2023-04-03 01:10:46,350 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 820 828) no Hoare annotation was computed. [2023-04-03 01:10:46,350 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 820 828) the Hoare annotation is: true [2023-04-03 01:10:46,350 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 904 926) no Hoare annotation was computed. [2023-04-03 01:10:46,350 INFO L895 garLoopResultBuilder]: At program point L916(line 916) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,350 INFO L895 garLoopResultBuilder]: At program point L916-1(line 916) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,350 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 921) no Hoare annotation was computed. [2023-04-03 01:10:46,350 INFO L899 garLoopResultBuilder]: For program point L914-1(lines 914 921) no Hoare annotation was computed. [2023-04-03 01:10:46,350 INFO L899 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2023-04-03 01:10:46,350 INFO L895 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,351 INFO L895 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,351 INFO L895 garLoopResultBuilder]: At program point L910-1(line 910) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,351 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 904 926) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 861 884) no Hoare annotation was computed. [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 861 884) no Hoare annotation was computed. [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point L879(line 879) no Hoare annotation was computed. [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point L877(line 877) no Hoare annotation was computed. [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point L875(line 875) no Hoare annotation was computed. [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point L874(line 874) no Hoare annotation was computed. [2023-04-03 01:10:46,351 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 861 884) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L872(line 872) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L871(line 871) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L869(line 869) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 698 712) no Hoare annotation was computed. [2023-04-03 01:10:46,352 INFO L895 garLoopResultBuilder]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or .cse0 .cse2 (<= ~waterLevel~0 1)) (or .cse2 .cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (or (not (= ~waterLevel~0 1)) .cse2 .cse4) (or .cse3 (= 1 ~systemActive~0) .cse1 .cse4))) [2023-04-03 01:10:46,352 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 708) no Hoare annotation was computed. [2023-04-03 01:10:46,353 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 698 712) the Hoare annotation is: (let ((.cse6 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (< 1 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 1)) (or (not (= ~waterLevel~0 1)) .cse2 .cse3 (and .cse4 .cse5)) (or .cse0 .cse2 .cse4 .cse6) (or .cse2 .cse7 .cse5 .cse3 .cse6) (or .cse0 .cse2 .cse4 .cse8) (or .cse7 .cse5 .cse1 .cse3) (or .cse0 (not (= |old(~systemActive~0)| 0)) .cse2 .cse8 (= 0 ~systemActive~0)))) [2023-04-03 01:10:46,353 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 806 812) no Hoare annotation was computed. [2023-04-03 01:10:46,353 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 806 812) the Hoare annotation is: true [2023-04-03 01:10:46,353 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 470 515) no Hoare annotation was computed. [2023-04-03 01:10:46,353 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 470 515) no Hoare annotation was computed. [2023-04-03 01:10:46,353 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 149) the Hoare annotation is: true [2023-04-03 01:10:46,353 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2023-04-03 01:10:46,353 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-04-03 01:10:46,353 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 580) no Hoare annotation was computed. [2023-04-03 01:10:46,353 INFO L895 garLoopResultBuilder]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:10:46,354 INFO L899 garLoopResultBuilder]: For program point L570-1(line 570) no Hoare annotation was computed. [2023-04-03 01:10:46,354 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 585) no Hoare annotation was computed. [2023-04-03 01:10:46,354 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 564 588) no Hoare annotation was computed. [2023-04-03 01:10:46,354 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:46,354 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:10:46,354 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2023-04-03 01:10:46,354 INFO L895 garLoopResultBuilder]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (or (<= 2 ~waterLevel~0) (= 0 processEnvironment_~tmp~3))) .cse0 .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2023-04-03 01:10:46,354 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2023-04-03 01:10:46,354 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2023-04-03 01:10:46,354 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 723 790) no Hoare annotation was computed. [2023-04-03 01:10:46,355 INFO L895 garLoopResultBuilder]: At program point L783(lines 732 784) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,355 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 723 790) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,355 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and .cse1 (= 2 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse0 (<= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (and .cse1 .cse0 (= 1 ~systemActive~0) (= ~waterLevel~0 1)))) [2023-04-03 01:10:46,355 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 777) no Hoare annotation was computed. [2023-04-03 01:10:46,355 INFO L895 garLoopResultBuilder]: At program point L771-1(lines 763 778) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3) (and .cse4 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0)) (and .cse5 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse2 (= ~waterLevel~0 1)) (and .cse4 .cse0 (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) (and .cse4 .cse5 .cse0 .cse2))) [2023-04-03 01:10:46,355 INFO L899 garLoopResultBuilder]: For program point L734(lines 733 782) no Hoare annotation was computed. [2023-04-03 01:10:46,355 INFO L895 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3) (and .cse2 .cse4 (= ~switchedOnBeforeTS~0 1) .cse3) (and .cse0 .cse2 .cse4 (= ~switchedOnBeforeTS~0 0)) (and .cse0 .cse2 (= 1 ~systemActive~0) (= ~waterLevel~0 1)))) [2023-04-03 01:10:46,355 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2023-04-03 01:10:46,355 INFO L895 garLoopResultBuilder]: At program point L755(line 755) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse6 (= ~switchedOnBeforeTS~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse5 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse6 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse6))) [2023-04-03 01:10:46,355 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2023-04-03 01:10:46,356 INFO L899 garLoopResultBuilder]: For program point L753-1(lines 753 759) no Hoare annotation was computed. [2023-04-03 01:10:46,356 INFO L895 garLoopResultBuilder]: At program point L780(lines 733 782) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse1 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse6 (= ~switchedOnBeforeTS~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse5 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse6 (= ~waterLevel~0 1)))) [2023-04-03 01:10:46,356 INFO L895 garLoopResultBuilder]: At program point L745(line 745) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse8 (= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse6 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse6 (= ~switchedOnBeforeTS~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse5 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse6 .cse8) (and .cse1 .cse6 .cse8 .cse7) (and .cse0 .cse5 .cse1 .cse6))) [2023-04-03 01:10:46,356 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 749) no Hoare annotation was computed. [2023-04-03 01:10:46,356 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2023-04-03 01:10:46,356 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 723 790) no Hoare annotation was computed. [2023-04-03 01:10:46,356 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 126) no Hoare annotation was computed. [2023-04-03 01:10:46,356 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2023-04-03 01:10:46,356 INFO L895 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:10:46,356 INFO L899 garLoopResultBuilder]: For program point L609-1(lines 598 614) no Hoare annotation was computed. [2023-04-03 01:10:46,357 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 611) no Hoare annotation was computed. [2023-04-03 01:10:46,357 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 598 614) no Hoare annotation was computed. [2023-04-03 01:10:46,357 INFO L895 garLoopResultBuilder]: At program point L603(line 603) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:10:46,357 INFO L899 garLoopResultBuilder]: For program point L603-1(line 603) no Hoare annotation was computed. [2023-04-03 01:10:46,357 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 614) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:10:46,357 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 135) the Hoare annotation is: true [2023-04-03 01:10:46,357 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2023-04-03 01:10:46,357 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 679 697) no Hoare annotation was computed. [2023-04-03 01:10:46,357 INFO L902 garLoopResultBuilder]: At program point L686(line 686) the Hoare annotation is: true [2023-04-03 01:10:46,357 INFO L899 garLoopResultBuilder]: For program point L686-1(line 686) no Hoare annotation was computed. [2023-04-03 01:10:46,357 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 679 697) the Hoare annotation is: true [2023-04-03 01:10:46,357 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-04-03 01:10:46,357 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-04-03 01:10:46,358 INFO L895 garLoopResultBuilder]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~switchedOnBeforeTS~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= ~switchedOnBeforeTS~0 1)) (.cse12 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse5)) .cse6)) (or .cse0 .cse7 .cse8) (or .cse7 .cse2 (and .cse9 (= 2 ~waterLevel~0) .cse10) .cse11) (or .cse7 (and .cse9 .cse12 .cse10) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse7 .cse11 .cse8) (or .cse1 .cse7 .cse2 (< 2 |old(~waterLevel~0)|) (and .cse9 .cse5 .cse10)) (or .cse2 (and .cse4 .cse12 .cse6) .cse3 .cse11))) [2023-04-03 01:10:46,358 INFO L895 garLoopResultBuilder]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse14 (= ~switchedOnBeforeTS~0 0))) (let ((.cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (and .cse12 .cse10 .cse14)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (and .cse12 .cse5 .cse14)) (.cse15 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= ~switchedOnBeforeTS~0 1)) (.cse13 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse5)) .cse6)) (or .cse7 .cse2 .cse8 .cse9 (and .cse10 .cse6)) (or .cse0 .cse1 .cse7 .cse2 .cse11) (or .cse7 (and .cse12 .cse13 .cse14) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse7 .cse8 .cse9 .cse15) (or .cse0 .cse7 .cse11 .cse15) (or .cse2 (and .cse4 .cse13 .cse6) .cse3 .cse9)))) [2023-04-03 01:10:46,358 INFO L895 garLoopResultBuilder]: At program point L538(line 538) the Hoare annotation is: (let ((.cse2 (= ~switchedOnBeforeTS~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or .cse0 .cse6 .cse7) (or .cse4 (and (= 2 ~waterLevel~0) .cse2 .cse3) .cse5 .cse8) (or .cse6 .cse4 .cse8) (or .cse6 (not (= |old(~waterLevel~0)| 1)) .cse4) (or .cse6 .cse8 .cse7) (or .cse0 .cse1 .cse6 .cse4))) [2023-04-03 01:10:46,358 INFO L899 garLoopResultBuilder]: For program point L536(lines 532 554) no Hoare annotation was computed. [2023-04-03 01:10:46,358 INFO L899 garLoopResultBuilder]: For program point L534(lines 532 554) no Hoare annotation was computed. [2023-04-03 01:10:46,358 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 529 555) no Hoare annotation was computed. [2023-04-03 01:10:46,358 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 529 555) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0))) (let ((.cse1 (and .cse4 .cse8)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse12 (= ~switchedOnBeforeTS~0 0)) (.cse3 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse4 .cse5) .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse6 (and .cse4 (= ~waterLevel~0 1))) (or .cse0 .cse6 .cse1 .cse2) (or .cse6 .cse7 .cse2 (and .cse8 .cse9)) (or .cse10 .cse0 .cse6 .cse11 (and .cse4 .cse5 .cse12)) (or .cse10 (and (= ~switchedOnBeforeTS~0 1) .cse5 .cse9) .cse6 .cse7 .cse11) (or .cse10 .cse0 .cse11 .cse12 .cse3)))) [2023-04-03 01:10:46,358 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 529 555) no Hoare annotation was computed. [2023-04-03 01:10:46,358 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 831 860) no Hoare annotation was computed. [2023-04-03 01:10:46,359 INFO L902 garLoopResultBuilder]: At program point L856(lines 831 860) the Hoare annotation is: true [2023-04-03 01:10:46,359 INFO L899 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2023-04-03 01:10:46,359 INFO L899 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2023-04-03 01:10:46,359 INFO L902 garLoopResultBuilder]: At program point L845-1(lines 845 849) the Hoare annotation is: true [2023-04-03 01:10:46,359 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 831 860) the Hoare annotation is: true [2023-04-03 01:10:46,359 INFO L902 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: true [2023-04-03 01:10:46,359 INFO L902 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: true [2023-04-03 01:10:46,359 INFO L899 garLoopResultBuilder]: For program point L837-1(line 837) no Hoare annotation was computed. [2023-04-03 01:10:46,359 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2023-04-03 01:10:46,359 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 59 70) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 1)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-04-03 01:10:46,359 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 713 720) no Hoare annotation was computed. [2023-04-03 01:10:46,359 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 713 720) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2 .cse4) (or .cse3 .cse1 .cse2 (not (= ~pumpRunning~0 1)) .cse4) (or (< 2 ~waterLevel~0) (not (= |old(~systemActive~0)| 0)) .cse0 (<= ~waterLevel~0 1) (= 0 ~systemActive~0)))) [2023-04-03 01:10:46,360 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-04-03 01:10:46,360 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 1 ~systemActive~0)))) (let ((.cse1 (and (or .cse0 .cse6) (or .cse6 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)))) (.cse5 (= 2 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~waterLevel~0 1)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse9 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse4 .cse6 .cse9 .cse10) (or .cse5 .cse1 .cse2 .cse7) (or .cse4 .cse5 .cse9 .cse7 .cse11) (or .cse4 .cse0 .cse6 .cse3) (or .cse8 .cse6 .cse2 .cse9 .cse10) (or .cse8 .cse4 .cse9 .cse10 .cse11)))) [2023-04-03 01:10:46,360 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 928 935) the Hoare annotation is: true [2023-04-03 01:10:46,360 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2023-04-03 01:10:46,360 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 928 935) no Hoare annotation was computed. [2023-04-03 01:10:46,360 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 813 819) the Hoare annotation is: true [2023-04-03 01:10:46,360 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 813 819) no Hoare annotation was computed. [2023-04-03 01:10:46,360 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 938 945) no Hoare annotation was computed. [2023-04-03 01:10:46,360 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 938 945) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:10:46,360 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 946 955) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 946 955) the Hoare annotation is: (let ((.cse2 (= ~switchedOnBeforeTS~0 1)) (.cse3 (not (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse6 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 (< 1 ~waterLevel~0) .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse6) (or .cse0 .cse4 .cse5 .cse6 (not (= 0 ~systemActive~0))))) [2023-04-03 01:10:46,361 INFO L899 garLoopResultBuilder]: For program point L951(line 951) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L899 garLoopResultBuilder]: For program point L962-1(line 962) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 956 984) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L895 garLoopResultBuilder]: At program point L971(line 971) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse6 (not (= ~pumpRunning~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (< 1 ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse1 .cse5 .cse6 .cse2) (or .cse1 .cse3 .cse6) (or .cse0 .cse5 .cse2 .cse4))) [2023-04-03 01:10:46,361 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 956 984) the Hoare annotation is: true [2023-04-03 01:10:46,361 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L895 garLoopResultBuilder]: At program point L966(line 966) the Hoare annotation is: (let ((.cse5 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0))) (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (and .cse5 (<= ~waterLevel~0 1))) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~pumpRunning~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4 (not (= 0 ~systemActive~0))) (or .cse5 .cse2 (< 1 ~waterLevel~0) .cse6 .cse4) (or .cse2 (not (= 2 ~waterLevel~0)) .cse6)))) [2023-04-03 01:10:46,361 INFO L899 garLoopResultBuilder]: For program point L966-1(line 966) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L899 garLoopResultBuilder]: For program point L964-1(lines 956 984) no Hoare annotation was computed. [2023-04-03 01:10:46,361 INFO L902 garLoopResultBuilder]: At program point L962(line 962) the Hoare annotation is: true [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 642) the Hoare annotation is: true [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point L673(line 673) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 643 678) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 643 678) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 157 202) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 157 202) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 893 903) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 893 903) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 893 903) no Hoare annotation was computed. [2023-04-03 01:10:46,362 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:10:46,362 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 623 633) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 623 633) the Hoare annotation is: true [2023-04-03 01:10:46,363 INFO L902 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: true [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 615 622) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 615 622) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 424 469) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 424 469) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 589 596) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 589 596) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 349) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point L370-2(lines 370 390) no Hoare annotation was computed. [2023-04-03 01:10:46,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 321 423) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point L391(lines 369 392) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 321 423) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 366) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point L371(lines 370 390) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 321 423) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point L402-1(line 402) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 408) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point L386(line 386) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 796 805) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 796 805) no Hoare annotation was computed. [2023-04-03 01:10:46,364 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-03 01:10:46,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:46,365 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-04-03 01:10:46,365 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-04-03 01:10:46,365 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:46,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:10:46,365 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 885 891) no Hoare annotation was computed. [2023-04-03 01:10:46,365 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 885 891) the Hoare annotation is: true [2023-04-03 01:10:46,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:10:46,365 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:10:46,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:10:46,365 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:10:46,368 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:10:46,370 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:10:46,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:10:46 BoogieIcfgContainer [2023-04-03 01:10:46,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:10:46,382 INFO L158 Benchmark]: Toolchain (without parser) took 85556.48ms. Allocated memory was 363.9MB in the beginning and 1.1GB in the end (delta: 723.5MB). Free memory was 315.5MB in the beginning and 866.5MB in the end (delta: -550.9MB). Peak memory consumption was 669.2MB. Max. memory is 8.0GB. [2023-04-03 01:10:46,382 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 209.7MB. Free memory is still 158.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:10:46,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.77ms. Allocated memory is still 363.9MB. Free memory was 315.2MB in the beginning and 296.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:10:46,383 INFO L158 Benchmark]: Boogie Preprocessor took 62.73ms. Allocated memory is still 363.9MB. Free memory was 296.6MB in the beginning and 293.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:10:46,383 INFO L158 Benchmark]: RCFGBuilder took 1085.46ms. Allocated memory is still 363.9MB. Free memory was 293.2MB in the beginning and 291.0MB in the end (delta: 2.2MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-04-03 01:10:46,383 INFO L158 Benchmark]: TraceAbstraction took 84046.07ms. Allocated memory was 363.9MB in the beginning and 1.1GB in the end (delta: 723.5MB). Free memory was 290.5MB in the beginning and 866.5MB in the end (delta: -576.0MB). Peak memory consumption was 643.0MB. Max. memory is 8.0GB. [2023-04-03 01:10:46,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 209.7MB. Free memory is still 158.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 356.77ms. Allocated memory is still 363.9MB. Free memory was 315.2MB in the beginning and 296.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.73ms. Allocated memory is still 363.9MB. Free memory was 296.6MB in the beginning and 293.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1085.46ms. Allocated memory is still 363.9MB. Free memory was 293.2MB in the beginning and 291.0MB in the end (delta: 2.2MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 84046.07ms. Allocated memory was 363.9MB in the beginning and 1.1GB in the end (delta: 723.5MB). Free memory was 290.5MB in the beginning and 866.5MB in the end (delta: -576.0MB). Peak memory consumption was 643.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 193 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.0s, OverallIterations: 11, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2974 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2890 mSDsluCounter, 6311 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5010 mSDsCounter, 1893 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9810 IncrementalHoareTripleChecker+Invalid, 11703 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1893 mSolverCounterUnsat, 1301 mSDtfsCounter, 9810 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2761 GetRequests, 2172 SyntacticMatches, 57 SemanticMatches, 532 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28367 ImplicationChecksByTransitivity, 32.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1310occurred in iteration=7, InterpolantAutomatonStates: 191, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 986 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3191 PreInvPairs, 3414 NumberOfFragments, 2567 HoareAnnotationTreeSize, 3191 FomulaSimplifications, 75418 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 32724 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 2238 NumberOfCodeBlocks, 2238 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3041 ConstructedInterpolants, 0 QuantifiedInterpolants, 5232 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2901 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 1973/2231 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 0 == systemActive) && switchedOnBeforeTS == 0)) || !(\old(waterLevel) == 1)) || ((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 1 == systemActive) && switchedOnBeforeTS == 0)) || ((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == 0)) || !(\old(systemActive) == 1)) || ((((splverifierCounter == 0 && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && pumpRunning == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 0)) || (((2 == waterLevel && splverifierCounter == 0) && 1 == systemActive) && pumpRunning == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:10:46,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...